Pith Number

pith:46QVNUSP

pith:2021:46QVNUSPZDAPP5QZYYM75VUR4L

not attested not anchored not stored refs pending

Improving Polyphonic Sound Event Detection on Multichannel Recordings with the S{\o}rensen-Dice Coefficient Loss and Transfer Learning

Douglas L. Jones, Karn N. Watcharasupat, Ngoc Khanh Nguyen, Thi Ngoc Tho Nguyen, Woon Seng Gan, Zhen Jian Lee

arxiv:2107.10471 v2 · 2021-07-22 · eess.AS · cs.AI · cs.LG · cs.SD · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{46QVNUSPZDAPP5QZYYM75VUR4L}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:19:44.825501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7a156d24fc8c0f7f619c619fed691e2f394a84df1a6b846a7ad92920f4fbcf9

Aliases

arxiv: 2107.10471 · arxiv_version: 2107.10471v2 · doi: 10.48550/arxiv.2107.10471 · pith_short_12: 46QVNUSPZDAP · pith_short_16: 46QVNUSPZDAPP5QZ · pith_short_8: 46QVNUSP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/46QVNUSPZDAPP5QZYYM75VUR4L \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e7a156d24fc8c0f7f619c619fed691e2f394a84df1a6b846a7ad92920f4fbcf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cc15ee925e3440a436317f2f432c74c69db9245ee330ae53578ab7b918ce7e4",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "cs.SD",
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-07-22T06:14:23Z",
    "title_canon_sha256": "7338002c7c676273c5adbe862493187395e15f19aafee1726ead1634660efe00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10471",
    "kind": "arxiv",
    "version": 2
  }
}